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Chin. Phys. B, 2010, Vol. 19(11): 110404    DOI: 10.1088/1674-1056/19/11/110404
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Massive particle radiation from Gibbons–Maeda black hole

Fang Heng-Zhong(方恒忠)†ger
Department of Physics, China University of Petroleum, Dongying 257061, China
Abstract  This paper investigated the massive particle radiation from Gibbons–Maeda black hole by using a semi-classical method. The calculations showed that, if the self-gravitation of the radiated particle is taken into account, the radiation spectrum deviates from exact black body spectrum and the rate of tunneling equals precisely the exponent of the difference of the black hole entropies before and after emission. The conclusion supports the viewpoint of information conservation.
Keywords:  Hawking radiation      massive particle      Gibbons–Maeda black hole  
Received:  12 April 2010      Revised:  14 May 2010      Accepted manuscript online: 
PACS:  04.40.-b (Self-gravitating systems; continuous media and classical fields in curved spacetime)  
  04.70.Dy (Quantum aspects of black holes, evaporation, thermodynamics)  
  05.70.Ce (Thermodynamic functions and equations of state)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10847166).

Cite this article: 

Fang Heng-Zhong(方恒忠) Massive particle radiation from Gibbons–Maeda black hole 2010 Chin. Phys. B 19 110404

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